diff --git a/python/pylibcudf/pylibcudf/strings/convert/convert_durations.pyx b/python/pylibcudf/pylibcudf/strings/convert/convert_durations.pyx
index a2dfac0f0cb..76c5809c3d5 100644
--- a/python/pylibcudf/pylibcudf/strings/convert/convert_durations.pyx
+++ b/python/pylibcudf/pylibcudf/strings/convert/convert_durations.pyx
@@ -70,7 +70,7 @@ cpdef Column from_durations(
 
     format : str
         The string specifying output format.
-        Default format is ""%D days %H:%M:%S".
+        Default format is "%D days %H:%M:%S".
 
     Returns
     -------